Workers Working On The Empire State Building Around 1931

Children using sign language to sing the US national anthem, in Evandale, Ohio, 1935.

An image taken by the Hubble Space Telescope capturing a galaxy.

Tim Ott has written for HISTORY.com and other A+E sites since 2012. He has also contributed to sites including MLB.com and Optimism, and teaches writing in his adopted hometown of Fort Lee, New Jersey.

Tim Ott

Tim Ott has written for HISTORY.com and other A+E sites since 2012. He has also contributed to sites including MLB.com and Optimism, and teaches writing in his adopted hometown of Fort Lee, New Jersey.

Tim Ott Archives | HISTORY

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HISTORY

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World War I pitted Germany, Austria-Hungary and the Ottoman Empire against Great Britain, the United States, France, Russia, Italy and Japan. New military technology resulted in unprecedented carnage. By the time the war was over and the Allied Powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

World War I

Listicle

Sports and recreation are an integral part of human history, from the ancient Olympics to the Kentucky Derby, Jackie Robinson, Negro League Baseball, the Super Bowl and more.

Sports

From religious and patriotic holidays to celebrations of ethnic pride, explore the history of Easter, Passover, New Year's Day, Veterans' Day, Memorial Day and more annual observances.

Annual Observances

Space exploration, one of the greatest technological achievements in human history, includes the Apollo missions, the Space Shuttles Columbia and Challenger, and people like Buzz Aldrin and Neil Armstrong.

Space Exploration

Inventions from the telephone to the Model T and the computer have defined human history, and inventors like Leonardo da Vinci, Nikola Tesla, Thomas Edison, Eli Whitney and Alexander Graham Bell have transformed our society.

Inventions & Science

Landmarks and monuments, the physical record of human civilization, include spectacular structures like the Eiffel Tower, Mount Rushmore, the Panama Canal, the Brooklyn Bridge and more.

Tim Ott ‑ Stories

How Astronomers Discovered the Universe Is Expanding

The Collaborative Origins of American Sign Language

How the Empire State Building Was Built in Record Time

11 Objects Carried by World War I Infantrymen

What Is the Difference Between Veterans Day and Memorial Day?

How Jesse Owens Foiled Hitler’s Plans for the 1936 Olympics